3 years ago

Write a system of equation

1 answer:

3 0

Answer:

In mathematics, a set of simultaneous equations, also known as a system of equations or an equation system, is a finite set of equations for which common solutions are sought. An equation system is usually classified in the same manner as single equations, namely as a: ... System of difference equations

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What is quotient of -120 and 4 decreased by two?

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Answer:

-118

Step-by-step explanation: -120 + 4 - 2 = 118

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The scatterplot below shows the number of coupons that are used at the grocery store and amount of money that is saved. A graph

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b, i did the quiz

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Find the inverse for 43 modulo 660

Tatiana [17]

We're looking for $x$ such that

$43x\equiv1\mod{660}$

so for some integer $n$ we can write

$43x+660n=1$

Apply Euclid's algorithm:

$660=43(15)+15$
$43=15(2)+13$
$15=13(1)+2$
$13=2(6)+1$
$\implies(660,43)=(43,15)=(15,13)=(13,2)=1$

From this we have

$1=13-2(6)$
$\implies1=-6(15)+7(13)$
$\implies1=-20(15)+7(43)$
$\implies1=-20(660)+307(43)$
$\implies(-20(660)+307(43))\equiv307(43)\equiv1\mod{660}$

which means 307 is the inverse of 43 modulo 660.

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4 years ago

An angle measures 22° less than the measure of its complementary angle. What is the measure of each angle?

Firdavs [7]

Answer:

complementary angles

one angle measures 22�more than the other

Let x represent the smaller one

x + (x+22) = 90

2x = 68

x = 34, the smaller, 56 the larger

34 + 56 = 90 CHECKS!

Step-by-step explanation:

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3 years ago

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allochka39001 [22]

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The slope is 4/3

Step-by-step explanation:

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